General Manager Billy Beane watches his newest player, Yoenis Cespedes, don a uniform after his arrival at the Oakland A's camp in Phoenix, Ariz. on Sunday, March 4, 2012. Cespedes, who defected from Cuba, signed a four-year contract with Oakland.

In this March 16, 2009 file photo, Cuba's Yoenis Cespedes watches his third hit of the game as he drives in his fourth run of the game in the seventh inning against Mexico, during a World Baseball Classic game at PETCO Park in San Diego. Cespedes and the Oakland Athletics have agreed to a $36 million, four-year contract in 2012.

Yoenis Cespedes, of the Oakland Athletics, who was signed by the A's after he left Cuba, before the team's game agains the Boston Red Sox on Saturday, July 13, 2013, in Oakland.

Photo: Carlos Avila Gonzalez, The Chronicle

Yoenis Cespedes, of the Oakland Athletics, who was signed by the...

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Yoenis Cespedes of the Oakland Athletics hits in a run against the Texas Rangers in the sixth inning at Globe Life Park in Arlington on July 25, 2014 in Arlington, Texas.

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Yoenis Cespedes of the Oakland Athletics hits in a run against the...

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The A's high five Yoenis Cespedes, Coco Crisp, and Stephen Drew as they return to the dugout after scoring on a Brandon Moss double with the bases loaded in the eighth inning. The Oakland Athletics won the American League West division after they defeated the Texas Rangers at O.co Coliseum in Oakland, Calif., on Wednesday, October 3, 2012.

Photo: Carlos Avila Gonzalez, The Chronicle

The A's high five Yoenis Cespedes, Coco Crisp, and Stephen Drew as...

The A's high five Yoenis Cespedes, Coco Crisp, and Stephen... Photo-6665147.90740 - SFGate

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Oakland Athletics' Yoenis Cespedes is congratulated in the dugout following his home run against the Seattle Mariners in the first inning of a baseball game on Friday, June 21, 2013, in Seattle.

Yoenis Cespedes, of the Oakland Athletics, kisses his cousin's daughter, Yaenis Charon at his home in the Oakland hills on Friday, May 31, 2013, in Oakland, Calif. The family was finally reunited after they spent nearly a year and a half apart while Yoenis's mother and cousins struggled to travel from one carribean island to another and finally get to Florida by boat earlier that year.

Family of Yoenis Cespedes watch as a ball hit by Yoenis goes to the wall but is caught at the A's game against the Chicago White Sox on Friday, May 31, 2013. (Left to right) Mariela Garcia (cousin's wife), Ivania Ortiz (cousin), Danielys Alvarez (friend) and Estela Milanes (Yoenis's mother).

Photo: Carlos Avila Gonzalez, The Chronicle

Family of Yoenis Cespedes watch as a ball hit by Yoenis goes to the...

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American League's Yoenis Cespedes of the Oakland Athletics hits a home run during the second round of the MLB All-Star baseball Home Run Derby, Monday, July 15, 2013, in New York.

Oakland Athletics' Yoenis Cespedes, center, is congratulated in the dugout after his solo home run off of Texas Rangers starting pitcher Nick Tepesch in the sixth inning of a baseball game, Saturday, July 26, 2014, in Arlington, Texas.

Yoenis Cespedes makes a diving catch on a ball hit by Prince Fielder in the top of the seventh inning. The Oakland Athletics played the Detroit Tigers in game 3 of the ALDS at O.co Coliseum in Oakland, Calif., on Tuesday, October 9, 2012.

Oakland Athletics Josh Reddick (16) celebrates with Yoenis Cespedes (52) after he hit a solo home run in the second inning during their MLB baseball game against the Seattle Mariners Tuesday, April 2, 2013 in Oakland, Calif.

Oakland Athletics' Yoenis Cespedes smiles after his 2-run home run in the 4th inning, his second of the game off of Houston Astros' Brad Peacock, during MLB game at O.co Coliseum in Oakland, Calif. on Wednesday, July 23, 2014.

Oakland Athletics left fielder Yoenis Cespedes leaps but can't catch a fly ball by Houston Astros' Jon Singleton during the sixth inning of a baseball game on Wednesday, July 23, 2014, in Oakland, Calif. Singleton got a double on the play.

American League All-Star Yoenis Cespedes of the Oakland A's celebrates with the trophy after winning the Gillette Home Run Derby at Target Field on July 14, 2014 in Minneapolis, Minnesota.

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American League All-Star Yoenis Cespedes of the Oakland A's celebrates with his family after winning the Gillette Home Run Derby at Target Field on July 14, 2014 in Minneapolis, Minnesota.

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American League All-Star Yoenis Cespedes of the Oakland A's...

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Yoenis Cespedes of the Oakland Athletics singles to right field in the ninth inning, scoring John Jaso at Minute Maid Park on July 29, 2014 in Houston, Texas.

Photo: Bob Levey, Getty Images

Yoenis Cespedes of the Oakland Athletics singles to right field in...

Yoenis Cespedes of the Oakland Athletics singles to right field in... Photo-6665167.90740 - SFGate

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Oakland Athletics' Yoenis Cespedes and Coco Crisp celebrate Cespedes' 3-run home run in 2nd inning against Houston Astros' Brad Peacock during MLB game at O.co Coliseum in Oakland, Calif. on Wednesday, July 23, 2014.

Oakland Athletics center fielder Yoenis Cespedes crashes into the pad after leaping at the wall for a fly ball from Seattle Mariners' Kyle Seager in the sixth inning of a baseball game Saturday, May 11, 2013, in Seattle. Cespedes made the catch.

A's Yoenis Cespedes, (52) scores a run in the fourth inning on a ground ball out by Brandon Moss, (37), as the Oakland Athletics take on the Kansas City Royals at Phoenix Municipal Stadium on Tuesday Mar. 12, 2013, in Phoenix, Az., in Spring Training action.